NEURON { POINT_PROCESS gap NONSPECIFIC_CURRENT i RANGE del, r, i POINTER vgap } PARAMETER { v (millivolt) vgap (millivolt) r = 1e10 (megohm) del(ms) } ASSIGNED { i (nanoamp) } BREAKPOINT { if (t > del) { i = (v - vgap)/r }else{ i=0 } }